1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "ShortcutView.h"
  7
  8#include "GamepadButtonEvent.h"
  9#include "InputController.h"
 10#include "ShortcutController.h"
 11
 12#include <QKeyEvent>
 13
 14using namespace QGBA;
 15
 16ShortcutView::ShortcutView(QWidget* parent)
 17	: QWidget(parent)
 18	, m_controller(nullptr)
 19	, m_input(nullptr)
 20{
 21	m_ui.setupUi(this);
 22	m_ui.keyEdit->setValueKey(0);
 23
 24	connect(m_ui.gamepadButton, &QAbstractButton::pressed, [this]() {
 25		bool signalsBlocked = m_ui.keyEdit->blockSignals(true);
 26		m_ui.keyEdit->setValueButton(-1);
 27		m_ui.keyEdit->blockSignals(signalsBlocked);
 28	});
 29	connect(m_ui.keyboardButton, &QAbstractButton::pressed, [this]() {
 30		bool signalsBlocked = m_ui.keyEdit->blockSignals(true);
 31		m_ui.keyEdit->setValueKey(0);
 32		m_ui.keyEdit->blockSignals(signalsBlocked);
 33	});
 34	connect(m_ui.keyEdit, SIGNAL(valueChanged(int)), this, SLOT(updateButton(int)));
 35	connect(m_ui.keyEdit, SIGNAL(axisChanged(int, int)), this, SLOT(updateAxis(int, int)));
 36	connect(m_ui.shortcutTable, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(load(const QModelIndex&)));
 37	connect(m_ui.clearButton, SIGNAL(clicked()), this, SLOT(clear()));
 38}
 39
 40void ShortcutView::setController(ShortcutController* controller) {
 41	m_controller = controller;
 42	m_ui.shortcutTable->setModel(controller);
 43}
 44
 45void ShortcutView::setInputController(InputController* controller) {
 46	if (m_input) {
 47		m_input->releaseFocus(this);
 48	}
 49	m_input = controller;
 50	m_input->stealFocus(this);
 51}
 52
 53void ShortcutView::load(const QModelIndex& index) {
 54	if (!m_controller) {
 55		return;
 56	}
 57	if (m_controller->isMenuAt(index)) {
 58		return;
 59	}
 60	int shortcut = m_controller->shortcutAt(index);
 61	if (index.column() == 1) {
 62		m_ui.keyboardButton->click();
 63	} else if (index.column() == 2) {
 64		m_ui.gamepadButton->click();
 65	}
 66	bool blockSignals = m_ui.keyEdit->blockSignals(true);
 67	m_ui.keyEdit->setFocus(Qt::MouseFocusReason);
 68	if (m_ui.gamepadButton->isChecked()) {
 69		m_ui.keyEdit->setValueButton(-1); // There are no default bindings
 70	} else {
 71		m_ui.keyEdit->setValueKey(shortcut);
 72	}
 73	m_ui.keyEdit->blockSignals(blockSignals);
 74}
 75
 76void ShortcutView::clear() {
 77	if (!m_controller) {
 78		return;
 79	}
 80	QModelIndex index = m_ui.shortcutTable->selectionModel()->currentIndex();
 81	if (m_controller->isMenuAt(index)) {
 82		return;
 83	}
 84	if (m_ui.gamepadButton->isChecked()) {
 85		m_controller->clearButton(index);
 86		m_ui.keyEdit->setValueButton(-1);
 87	} else {
 88		m_controller->clearKey(index);
 89		m_ui.keyEdit->setValueKey(-1);
 90	}
 91}
 92
 93void ShortcutView::updateButton(int button) {
 94	if (!m_controller || m_controller->isMenuAt(m_ui.shortcutTable->selectionModel()->currentIndex())) {
 95		return;
 96	}
 97	if (m_ui.gamepadButton->isChecked()) {
 98		m_controller->updateButton(m_ui.shortcutTable->selectionModel()->currentIndex(), button);
 99	} else {
100		m_controller->updateKey(m_ui.shortcutTable->selectionModel()->currentIndex(), button);
101	}
102}
103
104void ShortcutView::updateAxis(int axis, int direction) {
105	if (!m_controller || m_controller->isMenuAt(m_ui.shortcutTable->selectionModel()->currentIndex())) {
106		return;
107	}
108	m_controller->updateAxis(m_ui.shortcutTable->selectionModel()->currentIndex(), axis,
109	                         static_cast<GamepadAxisEvent::Direction>(direction));
110}
111
112void ShortcutView::closeEvent(QCloseEvent*) {
113	if (m_input) {
114		m_input->releaseFocus(this);
115	}
116}
117
118bool ShortcutView::event(QEvent* event) {
119	if (m_input) {
120		if (event->type() == QEvent::WindowActivate) {
121			m_input->stealFocus(this);
122		} else if (event->type() == QEvent::WindowDeactivate) {
123			m_input->releaseFocus(this);
124		}
125	}
126	return QWidget::event(event);
127}